Home / 159,026.85-219,469.58-91,065.22

Finding the Fourth Proportional to 159,026.85, 219,469.58 and 91,065.22

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Solution

The fourth proportional to 159,026.85, 219,469.58 and 91,065.22 is: 125,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,026.85 : 219,469.58 = 91,065.22 : x
  2. Step 2: Convert to fraction form
    159,026.85/219,469.58 = 91,065.22/x
  3. Step 3: Cross multiply
    159,026.85x = 219,469.58 × 91,065.22
  4. Step 4: Simplify right side
    159,026.85x = 19,986,045,586.01
  5. Step 5: Solve for x
    x = 19,986,045,586.01/159,026.85
  6. Step 6: Final answer
    x = 125,677.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.